include/configs/km/km-powerpc.h

   1 /*
   2  * (C) Copyright 2011
   3  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __CONFIG_KEYMILE_POWERPC_H
   9 #define __CONFIG_KEYMILE_POWERPC_H
  10
  11 /* Do boardspecific init for all boards */
  12 #define CONFIG_BOARD_EARLY_INIT_R
  13 #define CONFIG_LAST_STAGE_INIT
  14
  15 #define CONFIG_BOOTCOUNT_LIMIT
  16
  17 #define CONFIG_CMD_DTT
  18 #define CONFIG_JFFS2_CMDLINE
  19
  20 /* standard km ethernet_present for piggy */
  21 #define CONFIG_KM_COMMON_ETH_INIT
  22
  23 /* EEprom support 24C08, 24C16, 24C64 */
  24 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
  25 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       3  /* 8 Byte write page */
  26 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10
  27
  28 #define CONFIG_ENV_SIZE         0x04000         /* Size of Environment */
  29 #define CONFIG_FLASH_CFI_MTD
  30
  31 #define CONFIG_SYS_MEMTEST_START 0x00100000     /* memtest works on */
  32
  33 #define CONFIG_SYS_MEMTEST_END  0x00f00000      /* 1 ... 15 MB in DRAM  */
  34
  35 #define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
  36
  37 /* Reserve 4 MB for malloc */
  38 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  39
  40 /******************************************************************************
  41  * (PRAM usage)
  42  * ... -------------------------------------------------------
  43  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
  44  * ... |<------------------- pram -------------------------->|
  45  * ... -------------------------------------------------------
  46  * @END_OF_RAM:
  47  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
  48  * @CONFIG_KM_PHRAM: address for /var
  49  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
  50  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
  51  */
  52
  53 /* size of rootfs in RAM */
  54 #define CONFIG_KM_ROOTFSSIZE    0x0
  55 /* pseudo-non volatile RAM [hex] */
  56 #define CONFIG_KM_PNVRAM        0x80000
  57 /* physical RAM MTD size [hex] */
  58 #define CONFIG_KM_PHRAM         0x100000
  59 /* resereved pram area at the end of memroy [hex] */
  60 #define CONFIG_KM_RESERVED_PRAM 0x0
  61 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
  62  * is not valid yet, which is the case for when u-boot copies itself to RAM */
  63 #define CONFIG_PRAM             ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
  64
  65 #define CONFIG_KM_CRAMFS_ADDR   0xC00000
  66 #define CONFIG_KM_KERNEL_ADDR   0x400000        /* 7680Kbytes */
  67 #define CONFIG_KM_FDT_ADDR      0xB80000        /* 512Kbytes */
  68
  69 /* architecture specific default bootargs */
  70 #define CONFIG_KM_DEF_BOOT_ARGS_CPU             ""
  71
  72 #define CONFIG_KM_DEF_ENV_CPU                                           \
  73         "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"           \
  74         "update="                                                       \
  75                 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
  76                 "erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
  77                 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)     \
  78                 "  ${filesize} && "                                     \
  79                 "protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
  80         "set_fdthigh=true\0"                                            \
  81         "checkfdt=true\0"                                               \
  82         ""
  83
  84 #endif /* __CONFIG_KEYMILE_POWERPC_H */